TABLE 3.
Herbs combined (except echinacea)
|
Echinacea
|
|||||
---|---|---|---|---|---|---|
Variable | Evidence-based use (%)† (n=48) | Adjusted OR (95% CI) ‡ | P value | Evidence-based use (%)† (n=286) | Adjusted OR (95% CI) ‡ | P value |
Sex | ||||||
Female | 27.6 | 1.81 (1.23–2.67) | .003 | 66.7 | 0.84 (0.58–1.21) | .34 |
Male | 17.5 | Referent | 70.3 | Referent | ||
Age (y) | ||||||
18–39 | 18.5 | 0.43 (0.24–0.77) | .005 | 67.7 | 1.15 (0.59–2.25) | .68 |
40–59 | 24.5 | 0.48 (0.28–0.82) | .007 | 69.2 | 1.24 (0.64–2.40) | .53 |
≥60 | 33.0 | Referent | 63.7 | Referent | ||
Race | ||||||
Hispanic | 23.8 | 0.71 (0.45–1.11) | .71 | 60.4 | 0.71 (0.45–1.11) | .13 |
Black§ | 16.3 | 0.51 (0.38–0.69) | <.001 | 76.2 | 1.61 (0.64–4.07) | .31 |
Other | 0.0 | … | … | 67.8 | 1.03 (0.38–2.78) | .95 |
White§ | 25.8 | Referent | 68.0 | Referent | ||
Education// | ||||||
Graduate school | 35.3 | 2.91 (1.13–7.45) | .03 | 69.0 | 0.83 (0.45–1.55) | .56 |
>High school or college | 24.2 | 1.55 (1.10–2.20) | .01 | 66.5 | 0.76 (0.51–1.14) | .19 |
≤High school | 19.3 | Referent | 71.1 | Referent |
CI = confidence interval; OR = odds ratio.
Weighted estimate.
Multivariable logistic regression model with age, sex, ethnicity, and education as covariates was used to compute the ORs, 95% CIs, and respective P values.
Non-Hispanic.
Two echinacea users had missing education data.